Adam is 2 years old. His sister lina is 1 year less than 3 times his age. write a numerical expression for linas age

Step-by-step explanation:

Let's take it part by part.

" lina is 1 year less than ... " So this means a value that we get some other way - 1. So let's call it x-1 for now. The next part tells us how to get x.

"3 times his age" so now we have 3y-1, where y is Adam's age. We know adam's age though.

3*2 - 1

6-1

5